Correlates of southern blue whiting year class strength on the Campbell Island Rise, 1977-2002.

By: Willis, T.J.
Contributor(s): Fu, D. (NIWA. Wellington) | Hanchet, S.M. (NIWA. Nelson).
Material type: materialTypeLabelBookSeries: New Zealand fisheries assessment report ; 2007/40.Publisher: Wellington : Ministry of Fisheries, 2007Description: 26 p. : figs. ; 30 cm.ISSN: 1175-1584.Subject(s): STOCK ASSESSMENT | FISHERIES | CAMPBELL ISLAND RISE | SOUTHERN BLUE WHITING | FISHING EFFORTOnline resources: Click here to access online In: New Zealand fisheries assessment reportSummary: The relationship between the year class strength (YCS) of southern blue whiting and potential environmental predictors was examined using three different analytical approaches. Predictors included the same variables considered by Hanchet & Renwick (1999), plus wind and atmospheric pressure observations from the Campbell Island meteorological station. The analysis consisted of I) multiple regression, using cross-validation to reduce overfitting and spunous correlation; 2) Tree-based regression, using 'out of the bag' sampling; and 3) discriminant analysis with cross-validation.
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Item type Current location Call number Copy number Status Date due Barcode
JOURNAL JOURNAL WELLINGTON
JOURNALS
NO. 2007/40 1 Available J09529

The relationship between the year class strength (YCS) of southern blue whiting and potential environmental predictors was examined using three different analytical approaches. Predictors included the same variables considered by Hanchet & Renwick (1999), plus wind and atmospheric pressure observations from the Campbell Island meteorological station. The analysis consisted of I) multiple regression, using cross-validation to reduce overfitting and spunous correlation; 2) Tree-based regression, using 'out of the bag' sampling; and 3) discriminant analysis with cross-validation.

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